Question

enlist 4 uses of abscissic acid in plants

Answer 1

1. Abscisic acid is involved in several plant functions. Plantshave openings on the bottom side of their leaves, known as stomata

2. It increases the tolerance of plants toward various stresses.

3. Abscisic acid is a plant hormone.

4. ABA functions in many plant developmental processes, including bud dormancy, 

Answer 2

Uses

(1) regulates abscission and dormancy

(2) acts as general plant growth inhibitors and an inhibitor of plant metabolism

(3) inhibit seed germination

(4) stimulates the closure of stomata and increase the tolerance of plants to various kinds of stresses ,hence this is called stress hormone

(5) important role in seed development, maturation and dormancy

(6) including dormancy,ABA helps seeds to withstand desiccation and other factors unfavourable for growth

(7) acts as antagonist to gas